163880725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2053}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 211907072

約数和(自身を除く): 48026347

約数列:

[1, 5, 25, 31, 103, 155, 515, 775, 2053, 2575, 3193, 10265, 15965, 51325, 63643, 79825, 211459, 318215, 1057295, 1591075, 5286475, 6555229, 32776145, 163880725]

約数ペア:

[(1, 163880725), (5, 32776145), (25, 6555229), (31, 5286475), (103, 1591075), (155, 1057295), (515, 318215), (775, 211459), (2053, 79825), (2575, 63643), (3193, 51325), (10265, 15965)]